The Big Conversation:
Tonight, the voting begins, and two Texans' political futures hang in the balance.
Up to 120,000 Iowans are expected to gather at 1,774 precincts across the state to cast the first votes of the presidential primary cycle. (Need a reminder of how exactly the caucuses work? The Des Moines Register's got you covered.)
Candidates on Monday delivered their closing arguments in stops across the state. Rick Perry spent the day attacking his rivals, touting a large group of Texas officials and volunteers who had followed him to the Hawkeye State, and asking voters to ...